摘要：综述了包括美国、中国、欧洲、日本等国当前在亚微米和纳米级粒度标准物质的研制和生产状况,以及相应的商业信息和来源。其中包括以单分散聚苯乙烯和二氧化硅为主要成分的亚微米和纳米级粒度标准物质的品牌,规格,质量标准和定值方法。

关键词： 亚微米；纳米；粒度标准物质

Abstract: The development of nano-meter and submicro-meter scale reference materials for particle sizing in different countries including United States, China, Europe, Japan etc were summarized. The source of officialand commercial information related to the variety, standards, composition and certification method was provided. 

Keywords: micrometer; nanometer; reference materials for particle size analysis